多维认知功能的元分析 变化在不同强度的高海拔低氧
Yan Jiang1,2, Ke-Er Cai1,2, Ling-Ling Zhu2
1Department of Psychology, Zhejiang Sci-Tech University, Hangzhou, China.
Brain and behavior
|September 22, 2025
概括
高海拔低氧会损害认知功能,特别是长期记忆和感知. 认知缺陷在海拔超过2500米和急性或慢性暴露时更加明显.
科学领域:
- 环境生理学环境生理学
- 认知神经科学 认知神经科学
背景情况:
- 高海拔环境带来了独特的生理挑战.
- 了解缺氧对认知功能的影响对于安全性和性能至关重要.
研究的目的:
- 系统地评估高海拔低氧如何影响各种认知功能.
- 为了确定适度因素,如海拔高度,暴露时间和认知领域.
主要方法:
- 从1966年到2024年,对59项研究 (739个效果大小) 进行了三级元分析.
- 认知任务被分为七个领域.
- 用多级建模来分析数据.
主要成果:
- 总体认知功能因高海拔低氧显著受损 (g = -0.424).
- 长期记忆和感知功能受到影响最大.
- 认知障碍在2500米以上和急性 (<3天) 或慢性 (>30天) 暴露时显著.
结论:
- 高海拔低氧会对认知表现产生负面影响.
- 认知障碍的严重程度因认知领域,高度和暴露时间而异.
- 建议对适应和脱适应的进一步研究.
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